pyflink.table.expressions.concat_ws

concat_ws(separator: Union[str, pyflink.table.expression.Expression[str]], first: Union[str, pyflink.table.expression.Expression[str]], *others: Union[str, pyflink.table.expression.Expression[str]]) → pyflink.table.expression.Expression[str]

Returns the string that results from concatenating the arguments and separator. Returns NULL If the separator is NULL.

Note

this function does not skip empty strings. However, it does skip any NULL values after the separator argument.

New in version 1.12.0.